Question

How is an electromagnet different from a bar magnet?
A) Bar magnets have a north and south pole, but electromagnets do not.
Eliminate
B) Electromagnets are strong, permanent magnets, but bar magnets are always weaker.
C) Electromagnets are only magnetized when a current flows through a wire wrapped around the core.
D) Bar magnets are attracted to ferromagnetic substances such as iron. Electromagnets are attracted to all metals.

Answer 1

Because the electromagnet is able to move their ions from one pole to another and we make a electromagnet with the help of a pin or screw so as it is a metal it contracts with all the metals